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Diffstat (limited to 'test/Transforms/InstSimplify/AndOrXor.ll')
-rw-r--r-- | test/Transforms/InstSimplify/AndOrXor.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/Transforms/InstSimplify/AndOrXor.ll b/test/Transforms/InstSimplify/AndOrXor.ll new file mode 100644 index 0000000000..3d04d584f4 --- /dev/null +++ b/test/Transforms/InstSimplify/AndOrXor.ll @@ -0,0 +1,12 @@ +; RUN: opt < %s -instsimplify -S | FileCheck %s + +define i64 @pow2(i32 %x) { +; CHECK: @pow2 + %negx = sub i32 0, %x + %x2 = and i32 %x, %negx + %e = zext i32 %x2 to i64 + %nege = sub i64 0, %e + %e2 = and i64 %e, %nege + ret i64 %e2 +; CHECK: ret i64 %e +} |